Bitumes and bituminous binders

BS EN 13924:2006

BRITISH STANDARD

Incorporating amendment no.1 and corrigenda October 2006

Bitumen and bituminous binders — Specifications for hard paving grade bitumens

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ICS 93.080.20

           Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS

Licensee=AECOM EW & Canada/5906698006, User=Broasca, Gabriel Not for Resale, 11/05/2015 09:48:46 MST

June 2011 and October 2011

BS EN 13924:2006

National foreword This British Standard is the UK implementation of EN 13924:2006, incorporating corrigendum October 2006. Together with BS EN 12591:2009, it supersedes BS 3690-1:1989+A2:2008 which is withdrawn. This was decided at a meeting of the responsible committee on 12 April 2011. The start and finish of text introduced or altered by corrigendum is indicated in the text by tags ˜™. Text altered by CEN corrigendum October 2006 is indicated in the text by ˆ‰. The UK participation in its preparation was entrusted by Technical Committee B/510, Road materials, to Subcommittee B/510/19, Bitumen and related products. A list of organizations represented on this subcommittee can be obtained on request to its secretary. EN 13924:2006 is a candidate “harmonized” European Standard and fully takes into account the requirements of the European Commission mandate M/124, Road Construction Products , given under the EU Construction Products Directive (89/106/EEC), and is intended to lead to CE marking. The date of applicability of EN 13924:2006 as a ‘‘harmonized’’ European Standard, i.e. the date after which this standard may be used for CE marking purposes, is subject to an announcement in the Official Journal of the European Communities. EN 13924:2006 is the subject of transitional arrangements agreed under the European Commission mandate. The Member States have agreed a nominal transition period for the co-existence of EN 13924:2006 and their corresponding national standard(s). It is intended that this period will comprise a nominal nine-month period during which any required changes to national regulations are to be made, followed by a further nominal twelve-month period for the implementation of CE marking. At the end of this co-existence period, the national standard(s) will be withdrawn or revised. In the UK, the corresponding national standard is: — BS 3690-1:1989, 3690-1:1989, Bitumens for building and civil engineering — Part 1: Specification for bitumens for roads and other paved areas ` , ` ` , , , , ` ` ` ` ` , , , ` ` ` ` , ` , , ` ` ` , , ` ` ` , , ` , , ` , ` , , ` -

This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2006

and based on this nominal transition period of twenty-one months, BS 3690-1:1989 will be withdrawn in, or revised by, February 2008.

Amendments/corrigenda issued since publication

Date 16751

Comments 30 Novemb November er 2006 2006

See nation national al forewo foreword rd

31 December 2007

Addition of National Annex NA (informative) and update of national foreword

30 June 2011

Supersession details revised

31 Octo Octobe berr 2011 2011

Corr Correc ecti tion on to to rein reinco corp rpor orat ate e Nati Nation onal al Annex NA

Corrigendum No. 1 © BSI 2011

17453

ISBN 978 0 580 76474 5

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS


BS EN 13924:2006

National foreword This British Standard is the UK implementation of EN 13924:2006, incorporating corrigendum October 2006. Together with BS EN 12591:2009, it supersedes BS 3690-1:1989+A2:2008 which is withdrawn. This was decided at a meeting of the responsible committee on 12 April 2011. The start and finish of text introduced or altered by corrigendum is indicated in the text by tags ˜™. Text altered by CEN corrigendum October 2006 is indicated in the text by ˆ‰. The UK participation in its preparation was entrusted by Technical Committee B/510, Road materials, to Subcommittee B/510/19, Bitumen and related products. A list of organizations represented on this subcommittee can be obtained on request to its secretary. EN 13924:2006 is a candidate “harmonized” European Standard and fully takes into account the requirements of the European Commission mandate M/124, Road Construction Products , given under the EU Construction Products Directive (89/106/EEC), and is intended to lead to CE marking. The date of applicability of EN 13924:2006 as a ‘‘harmonized’’ European Standard, i.e. the date after which this standard may be used for CE marking purposes, is subject to an announcement in the Official Journal of the European Communities. EN 13924:2006 is the subject of transitional arrangements agreed under the European Commission mandate. The Member States have agreed a nominal transition period for the co-existence of EN 13924:2006 and their corresponding national standard(s). It is intended that this period will comprise a nominal nine-month period during which any required changes to national regulations are to be made, followed by a further nominal twelve-month period for the implementation of CE marking. At the end of this co-existence period, the national standard(s) will be withdrawn or revised. In the UK, the corresponding national standard is: — BS 3690-1:1989, 3690-1:1989, Bitumens for building and civil engineering — Part 1: Specification for bitumens for roads and other paved areas ` , ` ` , , , , ` ` ` ` ` , , , ` ` ` ` , ` , , ` ` ` , , ` ` ` , , ` , , ` , ` , , ` -

This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2006

and based on this nominal transition period of twenty-one months, BS 3690-1:1989 will be withdrawn in, or revised by, February 2008.

Amendments/corrigenda issued since publication

Date 16751

Comments 30 Novemb November er 2006 2006

See nation national al forewo foreword rd

31 December 2007

Addition of National Annex NA (informative) and update of national foreword

30 June 2011

Supersession details revised

31 Octo Octobe berr 2011 2011

Corr Correc ecti tion on to to rein reinco corp rpor orat ate e Nati Nation onal al Annex NA

Corrigendum No. 1 © BSI 2011

17453

ISBN 978 0 580 76474 5



BS EN 13924:2006

BS EN 13924:2006 partially replaces BS 3690-1 and introduces specifications for two hard paving grade bitumens designated by their penetration range at 25°C, i.e. 10/20 pen and 15/25 pen. Guidance for users on the implementation of BS EN 13924:2006 for hard paving grade bitumens, for use in high stiffness modulus asphalt for the construction and maintenance of roads and airfields in the UK is included in National Annex NA (informative). This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.

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Compliance with a British Standard cannot confer immunity from legal obligations.

i Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS


EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM

EN 13924 May 2006

ICS 93.080.20

Incorporating Corrigendum October 2006

English Version

Bitumen and bituminous binders - Specifications for hard paving grade bitumens Bitumes et liants bitumineux - Spécifications des bitumes routiers de grade dur

Bitumen und bitumenhaltige Bindemittel - Anforderungen an harte Straßenbaubitumen

This European Standard was approved by CEN on 23 March 2006. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member.

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This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION E U R O P Ä IS C H E S K O M I T EE F Ü R N O R M U N G

Management Centre: rue de Stassart, 36

© 2006 CEN

B-1050 Brussels

All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.



Ref. No. EN 13924:2006: E

BS EN 13924:2006 EN 13924:2006 (E)

Contents Page Foreword......................................................................................................................................................................3 Introduction .................................................................................................................................................................4 1

Scope ..............................................................................................................................................................5

2

Normative references ....................................................................................................................................5

3

Terms and Definitions.................................................................................................................................. .5

4

Requirements and test methods ..................................................................................................................6

5

Evaluation of conformity...............................................................................................................................9

Annex A (normative) Calculation of the penetration index...................................................................................12 Annex B (informative) Informative properties ........................................................................................................14 Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU Construction Products Directive................................................................................................................15 Bibliography ..............................................................................................................................................................21

2

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BS EN 13924:2006 EN 13924:2006 (E)

Foreword This document (EN 13924:2006) has been prepared by Technical Committee CEN/TC 336 “Bituminous binders”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2006, and conflicting national standards shall be withdrawn at the latest by December 2008. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Construction Products Directive 89/106/EEC. For relationship with EU Directive, see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. This standard is part of a family of European Standards for bitumens as follows:

Bituminous Binders

Paving A lications

Industrial A lications

Paving Grade Bitumens

Polymer Modified Bitumens

Cutback & Fluxed Bitumens

Cationic Bitumen Emulsions

Oxidised Bitumens

EN 12591

EN 14023

prEN 15322

EN 13808

EN 13304

Hard Grade Industrial Bitumens

EN 13305

Hard Paving Grade Bitumens

EN 13924 Figure 1 — European Standards for Bitumens

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3

BS EN 13924:2006 EN 13924:2006 (E)

Introduction This document is closely related to EN 12591 [1]. This introduction gives information on the basis for selection of the grades defined in this document, the status of certain of the properties and test methods, and proposed development of this document. The general principle adopted in the development of EN 12591 [1] was to provide a range of grades suitable for the manufacture of the materials for road construction and maintenance used, and the climatic and traffic conditions encountered, in all the Member States. This document extends the range of grades specified in EN 12591 [1], following the wider use of materials for road construction and maintenance having very high modulus values. This standard can be read in conjunction with National Guidance Documents, where they exist, which have the opportunity to identify the appropriate grade in the territory of use. This document has been based on the regional requirements identified when the process started. It is a first step in harmonising the so-called "empirical" specifications and it is intended to evaluate alternative properties and test methods to develop new specifications that are more directly performance-related. To this end, work programmes are being undertaken and the results will be considered for a future revision of this document. The progress of those work programmes are reported in CEN/TR 15352 [2], and the results will be considered for future revisions of this European Standard. For paving grade bitumen the testing of the three essential characteristics, according to the mandate M/124 ,also gives an indication that its intrinsic cohesive properties are adequate for its normal use. The properties of "adhesion" and "setting ability" are indicated by tests used on the finished asphalt mixtures, EN 12697–1, EN 12697–11, EN 12697–12, EN 12697– 26 (respectively [3] to [6]), rather than tests on the bitumen itself. The introduction of technical classes of convenience (see Table 1) enables the selection of the most suitable specification for the bitumen taking account of local conditions of climate and use. Hard paving grade bitumens are designated by the penetration range at 25 °C, e.g. 10/20 pen or 15/25 pen (see Table 1). Table B.1 (Annex B) lists informative properties which suppliers of hard paving grades of bitumen are encouraged to produce as “Supplier Declared Values”. It is hoped that the data so provided will form the basis for developing performance-related specifications in the future.

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4



BS EN 13924:2006 EN 13924:2006 (E)

1

Scope

This document provides a framework for specifying the properties and relevant test methods for hard paving grade bitumens which are suitable for use in the construction and maintenance of roads, airfields and other paved areas. This framework covers three essential characteristics according to the mandate M/124: EU Construction Products Directive 89/106/EEC : 

"Consistency at intermediate service temperature";



"Consistency at elevated service temperature";



"Durability" of the above.

2

Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 58, Bitumen and bituminous binders – Sampling bituminous binders EN 1426, Bitumen and bituminous binders – Determination of needle penetration EN 1427, Bitumen and bituminous binders – Determination of the softening point – Ring and Ball method EN 12592, Bitumen and bituminous binders – Determination of solubility EN 12593, Bitumen and bituminous binders – Determination of the Fraass breaking point EN 12594, Bitumen and bituminous binders – Preparation of test samples EN 12595, Bitumen and bituminous binders – Determination of kinematic viscosity EN 12596, Bitumen and bituminous binders – Determination of dynamic viscosity by vacuum capillary EN 12597, Bitumen and bituminous binders – Terminology

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EN 12607-1, Bitumen and bituminous binders – Determination of the resistance to hardening under the influence of heat and air – Part 1: RTFOT method EN 12607-3, Bitumen and bituminous binders – Determination of the resistance to hardening under influence of heat and air – Part 3: RFT method prEN 15326, Bitumen and bituminous binders – Measurement of density and specific gravity – Capillary-stoppered pyknometer method EN ISO 2592, Determination of flash and fire points - Cleveland open cup method (ISO 2592:2000) ˆEN ISO 4259, Petroleum products - Determination and application of precision data in relation to methods of test (ISO 4259:2006)

EN ISO 9001, Quality management systems – Requirements (ISO 9001:2000) ‰

3

Terms and definitions

For the purposes of this document, the terms and definitions given in EN 12597 apply.



5

BS EN 13924:2006 EN 13924:2006 (E)

4

Sampling

Samples of bulk products shall be taken as described in EN 58. Test samples shall be taken from the laboratory samples, and prepared for testing, as described in EN 12594.

5

Requirements and test methods

5.1 5.1.1

Properties and related test methods General

The properties of and related test methods for hard paving grade bitumens shall be in accordance with Table 1. When tested by the methods given in the tables, the various paving grades shall conform to the limits specified by classes in that table. NOTE 1 For specifying bitumen the appropriate class for each technical requirement is selected in turn, different classes may be selected for different properties. The selection of classes should be made from past experience to avoid unworkable combinations, also see in Table 1, Table footnote f. NOTE 2 Table 1 includes a "No Performance Determined" class (NPD), a “No Requirement” class (NR) and a "To Be Reported" class (TBR). The NPD class has been included t o accommodate countries where the characteristic, for a gi ven intended use, is not subject to regulatory requirements. (See Annex ZA for further information). The NR class has been included for characteristics that are not mentioned in Table ZA.1 (i.e. not required for the purpose of regulatory marking), where there is no requirement to specify or declare a value. ` , ` ` , , , , ` ` ` ` ` , , , ` ` ` ` , ` , , ` ` ` , , ` ` ` , , ` , , ` , ` , , ` -

The TBR class has been included to facilitate selection in countries which merely wish to record a supplier's declared value or range for a particular requirement. It should not be considered as a ‘Class’ for the purpose of regulatory marking. These values can be used as a basis for the development of future technical specifications. NOTE 3 Each country is anticipated to have a specific selection of specifications, which, more than likely, will be different, and each country could publish the table of its applicable specifications in a national guide to determine the appropriate specification from this document.

5.1.2

Consistency at intermediate service temperatures

Consistency at intermediate service temperature for these hard paving grade bitumens shall comply with the requirements for penetration at 25 °C in Table 1. The grades are designated by the nominal penetration range at 25 °C. 5.1.3

Consistency at elevated service temperatures

Consistency at elevated service temperature for these hard paving bitumens shall comply with the requirements for softening point Ring and Ball and, if selected, viscosity as indicated in Table 1. Hard paving grade bitumens are supplied for a variety of end uses, and thus the specifications include a wide range of softening point Ring and Ball values. A restricted softening point range, of ± 5 °C about a mid-point, shall be declared by the supplier; the overall range shall be within the range in the tables. NOTE The properties and related test methods, given in Table 1, provide for different climatic, traffic and other conditions across Europe.

5.1.4

Durability – Resistance to hardening

Durability shall be demonstrated by compliance with the required surrogate characteristics of Table 1. 6



BS EN 13924:2006 EN 13924:2006 (E) ˆResistance to hardening shall be tested according to the Rolling Thin Film Oven Test (RTFOT) (EN 12607-1). NOTE Appropriate tests and classes, for measurements on material after the hardening procedure, are given in Table 1. The choice will depend upon the intended use of the product.‰

If the supplier wishes to declare the penetration index (for the purpose of regulatory marking), it shall be calculated in accordance with Annex A. 5.1.5

Informative properties

The specifications include a table of informative properties (Table B.1) based on new test methods that are under development. Suppliers of hard paving grade bitumens are encouraged to produce data from these measurements as “Supplier Declared Values”. It is hoped that the data so provided will be of assistance in developing performance-related specifications in the future. 5.1.6

Other properties

5.1.6.1

Flash point

Flash point shall be determined by the Cleveland open cup method in EN ISO 2592. NOTE The Pensky-Martens closed cup method (see EN ISO 2719 [9]) can be used to investigate possible contamination but is likely to give lower values.

5.1.6.2

Density

If the supplier wishes to declare the density of hard paving grade bitumens it shall be determined in accordance with prEN 15326.

5.2

Precision and dispute

5.2.1 The test methods referred to in this document include a precision statement where available. In cases of uncertainty, the procedures described in EN ISO 4259 for interpretation of the results based on test method precision shall be used. 5.2.2

The test methods referred to in this document shall be those used in cases of dispute.

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7

BS EN 13924:2006 EN 13924:2006 (E)

Table 1 - Specifications for hard paving grade bitumens

Essential Requirement

Surrogate characteristic

Test methods

Consistency at Intermediate Service Temperature

Penetration at 25 °C

EN 1426

Consistency at Elevated Service Temperature

Softening point

d

Dynamic viscosity at 60 °C Change of mass Retained penetration

Durability (Resistance to hardening at 163 °C, b EN 12607-1)

0,1 mm NPD

1

TBR

15 to 25

EN 1427

°C

NPD

TBR

EN 12596

Pa ⋅ s

NR

TBR

≥ 550

%

NPD

TBR

≤ 0,5

%

NPD

TBR

≥ 55

EN 12607-1 ˆText deleted ‰ EN 1426

55 to 71

f

d-f

f

58 to 78 ≥ 700

≥ Orig.

°C

NPD

TBR

Min. g +2

Increase in softening point

EN 1427

°C

NPD

TBR

≤ 8

≤ 10

EN 1427

°C

NR

TBR

≤ 10

≤ 10

from -1,5 to +0,7

≤ -1,5

f ≥ 600

≥ 700

I p

calculation (see Annex A)

Kinematic Viscosity at 135 °C

EN 12595

mm²/s

NR

TBR

Fraass breaking point

EN 12593

°C

NR

TBR

EN ISO 2592

°C

EN 12592

% mass fraction

≤ 0

f

≤ 3

c

Solubility


e

≥ 235

NR

TBR

≥ 99,0


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4

10 to 20

EN 1427

Flash point

8

0

Classes 2 3

Softening point after hardening

Increase in softening point & Penetration Index before test (i.e. on original bitumen)

Other properties

Unit

a

≥ 245

d

60 to 76

d

BS EN 13924:2006 EN 13924:2006 (E)

NPD: No Performance Determined (i.e. there are no regulations for the property in the territory of intended use) NR: No Requirement TBR: Level or range To Be Reported by the supplier (i.e. declared values – see 5.1.1 NOTE 2), this class shall not be used for the purpose of regulatory marking. a

The grades are designated by the nominal penetration range at 25 °C.

b

Only RTFOT shall be used for referee purposes. See 5.1.4.

c

These additional properties are not part of the mandated essential characteristics but have been considered useful in specification of hard paving grade bitumens in some cases. d

IMPORTANT — A restricted softening point range, of ± 5 °C about a mid-point, shall be declared by the supplier; the overall range shall be within the range in the table. e

See 5.1.6.1.

f

f

In selecting combinations of classes it is intended that values marked " ", if selected, shall only be used with the softer grade, 15/25 pen. g

The softening point after treatment shall be at least 2 °C above the selected minimum value for the original bitumen (see Note above).

d

6

Evaluation of conformity

6.1

General

The compliance of hard paving grade bitumens with the requirements of this document and with the stated values (including classes) shall be demonstrated by: 

initial type testing;



factory production control.

NOTE

6.2 6.2.1

The information from evaluation of conformity can be available for audit as detailed in the Quality Plan.

Type testing Initial type testing

Initial type tests shall be performed to show conformity with this standard. Tests previously performed in accordance with the provisions of this standard (same product, same characteristic(s), test method, sampling procedure, system of attestation of conformity, etc…) may be taken into account. All the characteristics required in the standard shall be subject to initial type testing except dangerous substances, which may be declared based upon control of the base materials. 6.2.2

Further type testing

Whenever a change occurs in the base materials or the production process which would change significantly one or more of the characteristics, the type test shall be repeated for the appropriate characteristic(s). 6.2.3

Sampling, testing and compliance criteria

Sampling shall be carried out in accordance with EN 58. The results of all type tests (initial and further type tests) shall be recorded, held by the manufacturer at least five years from the date of the test or until the type test is no longer valid (whichever is the longer) and be available for inspection.

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9

BS EN 13924:2006 EN 13924:2006 (E) 6.3

Factory production control (FPC)

6.3.1

General

The manufacturer shall establish, document and maintain an FPC system to ensure that the products placed on the market conform to the stated performance characteristics. The FPC system shall consist of procedures, regular inspections and tests and/or assessments and the use of the results to control the quality of the finished product. An FPC system conforming to the requirements of EN ISO 9001 and made specific to the requirements of this standard, shall be considered to satisfy the above requirements. The results of inspections, tests or assessments requiring action shall be recorded, as shall any action taken. The action to be taken when control values or criteria are not met shall be recorded and retained for the period specified in the manufacturer's FPC procedures. 6.3.2

Equipment

Testing – all weighing, measuring and testing equipment shall be calibrated and regularly inspected according to documented procedures, frequencies and criteria. Manufacturing – all equipment used in the manufacturing process shall be regularly inspected and maintained to ensure use, wear or failure does not cause inconsistency in the manufacturing process. Inspections and maintenance shall be carried out and recorded in accordance with the manufacturer's written procedures and the records retained for the period defined in the manufacturer's FPC procedures. 6.3.3

Base materials

The acceptance criteria for all incoming base materials shall be documented, as shall the inspection scheme for ensuring their conformity. 6.3.4

Product testing and evaluation

The manufacturer shall establish procedures to ensure that the stated values of all the characteristics are maintained. The characteristics and the means of control are: a)

all characteristics shall be subject to the tests in type testing paragraph (6.2) a minimum of once per year;

b)

routine control of product quality shall be on a basis of checks, of a type and a frequency to be defined and documented, to ensure that properties do not change significantly from those subject to initial type testing.

The tests for consistency at intermediate and elevated service temperatures, and for durability, shall be carried out on a representative sample of product for supply to customers. Where batch production is carried out, the sample shall be taken from the batch, which is considered as the quantity of bitumen produced and stored in one tank once the production run into tank has been completed. The batch is considered to remain the same as long as no new production has been added. In case of loading through an in-line blender, the routine quality control may be carried out on the feeder tanks and a procedure for checking the performance of the blender shall be in place. The appropriate testing frequencies vary with individual supply facilities, throughput and processes. Minimum frequencies shall be: 

consistency at intermediate temperature: daily; if product is supplied directly from a tank that has not received new production then the minimum test frequency may be extended to a batch.



consistency at elevated service temperatures: monthly;



durability: annually. --`,``,,,,`````,,,````,`,,```,,`-`-`,,`,,`,`,,`---

10



BS EN 13924:2006 EN 13924:2006 (E) 6.3.5

Non-conforming products

The manufacturer shall have written procedures which specify how non-conforming products shall be dealt with. Any such events shall be recorded as they occur and these records shall be kept for the period defined in the manufacturer's written procedures, but not less than 3 years.

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11

BS EN 13924:2006 EN 13924:2006 (E)

Annex A (normative) Calculation of the penetration index

A.1 General This Annex specifies the procedure that shall be used for calculating the penetration index of paving grade bitumens when required in relation to the specification for resistance to hardening given in Table 1.

A.2 Term and definition For the purposes of this Annex, the following term and definition apply. A.2.1 penetration index I P indication of the thermal susceptibility of a bituminous binder

A.3 Principle The penetration index ( I p) is calculated from the values of penetration at 25 °C, 100 g, 5 s, determined in accordance with EN 1426 and the softening point Ring and Ball, determined in accordance with EN 1427. NOTE 1

The calculation is based on the following hypothesis of Pfeiffer and Van Doormael:

a) At the temperature of the softening point Ring and Ball, the p enetration of bitumen is (800 × 0,1) mm. b) When the logarithm (base 10) of penetration is plotted against temperature, a straight line is obtained, the slope A of which is defined by: ( 20 A

=

(10

− I

p

+ I

p

) ×

)

1 50

NOTE 2 A penetration index of zero is attributed to bitumen with a penetration at 25 °C of (200 × 0,1) mm and a softening point Ring and Ball of 40 °C.

A.4 Determination Calculate the index of penetration, I p, from the following equation:

I p

=

( 20 × t RaB ) + (500 × log P ) − 1952 t RaB

− (50 × log P ) + 120

where:

12

t RaB

is the softening point Ring and Ball in degrees Celsius (°C);

P

is the penetration at 25 °C in 0,1 mm.



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BS EN 13924:2006 EN 13924:2006 (E)

A.5 Expression of results Report the penetration index as the value, calculated according to A.4, rounded to the nearest 0,1.

A.6 Precision A.6.1 Repeatability The difference between two successive test results, obtained by the same operator with the same apparatus under constant operating conditions on identical test material may exceed 0,3 in no more than one case in twenty.

A.6.2 Reproducibility The difference between two single and independent results obtained by different operators working in different laboratories on identical test material may exceed 0,5 in no more than one case in twenty.

` , ` ` , , , , ` ` ` ` ` , , , ` ` ` ` , ` , , ` ` ` , , ` ` ` , , ` , , ` , ` , , ` -



13

BS EN 13924:2006 EN 13924:2006 (E)

Annex B (informative) Informative properties

Table B.1 lists informative properties which suppliers of hard paving grades of bitumen are encouraged to produce as “Supplier Declared Values”. It is hoped that the data so provided will be of assistance in developing performance-related specifications in the future. Table B.1 — Informative properties Property

Unit

Test Method

Data

T S=300 MPa, by BBR a

°C

EN 14771 [8]

TBR

T m = 0,3, by BBR a

°C

EN 14771 [8]

TBR

MPa

EN 14770 [7]

TBR

°C

EN 14770 [7]

TBR

G* at 15 °C and 10 Hz, by DSR b T G*/sin δ = 1 kPa at 1,6 Hz, by DSR b a

BBR: Bending Beam Rheometer

b

DSR: Dynamic Shear Rheometer, or any other rheometer able to measure a complex modulus The report may include other parameters such as a plot of G * at 0,4 Hz and value reported at 25 °C, and also T G* = 2 kPa at 0,4 Hz. The test conditions and parameters reported may be selected according to traffic and climatic conditions or in relation to the grade to be applied

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BS EN 13924:2006 EN 13924:2006 (E)

Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU Construction Products Directive

ZA.1 Scope and relevant characteristics This European Standard has been prepared under Mandate M/124 "Road Construction Products" given to CEN by the European Commission and the European Free Trade Association. The clauses of this European Standard shown in this Annex meet the requirements of the Mandate given under the EU Construction Products Directive (89/106/EEC). Compliance with these clauses provides one means of conforming with the specific essential requirements of the Directive concerned. Reference shall be made to the information accompanying the CE marking. WARNING — Other requirements and other EU Directives may be applicable to the hard paving grade bitumen falling within the scope of this standard.

NOTE 1 In addition to any specific clauses relating to dangerous substances contained in this standard, there may be other requirements applicable to the products falling within its scope (e.g. transposed European legislation and national laws, regulations and administrative provisions). In order to meet the provisions of the EU Construction Products Directive, these requirements need also to be complied with, when and where they apply. NOTE 2 An informative database of European and national provisions on dangerous substances is available at the Construction web site on EUROPA ( accessed through http://europa.eu.int/comm/enterprise/construction/internal/dangsub/dangmain.htm ). This Annex has the same scope as Clause 1 of this standard with regard to the products covered. It establishes the conditions for the CE marking of paving grade bitumens intended for the uses indicated below and shows the relevant clauses applicable (see Table ZA.1). The requirement for any characteristic is not necessary in any Member State (MS) where there is no regulatory requirement on that characteristic for the intended use of the product. In this case, manufacturers placing their products on the market are not obliged to determine nor to declare the performance of their products with regard to this characteristic and the option "No Performance Determined" (NPD) in the information accompanying the CE marking (see Clause ZA.3) may be used. The NPD option may not be used, however, where the characteristic is subject to a threshold level.

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15

BS EN 13924:2006 EN 13924:2006 (E)

Table ZA.1 — Relevant clauses for hard paving grade bitumens

Construction Product(s): hard paving grade bitumens Intended use(s): For construction and maintenance of roads, airfields and other paved areas Requirement/ Characteristic from the Mandate:

Requirement clause(s) in this or other standard(s)

Mandated level(s) and/or class(es)

Notes

Consistency at intermediate service temperature

Subclause 5.1.2 and Table 1 referring to EN 1426

None

Classes of convenience (representing threshold values) – the manufacturer may declare actual values within the threshold

None


Consistency at elevated service temperature - Softening point

Subclause 5.1.3 and Table 1 referring to EN 1427

- °C

- Dynamic viscosity at 60 °C, minimum Durability for both above characteristics

- Pa ⋅ s Subclause 5.1.4 and None Table 1 referring to EN 12607-1 , EN 1426 and EN 1427


- Change of mass

-%

- Retained penetration

-%

- Softening point after hardening

- °C

- Increase in softening point

- °C

- Increase in softening point

- °C

& - Penetration index before test (i.e. on original bitumen)

- Ip calculation

Dangerous substances: see Note 2 in ZA.1

ZA.2 Procedure for attestation of conformity of hard paving grade bitumens ZA.2.1

System of attestation of conformity

The system of attestation of conformity of hard paving grade bitumens indicated in Table ZA.1 in accordance with the Decision of the Commission 98/601/EC as given in Annex III of the mandate for Mandate M/124 "Road Construction Products" is shown in Table ZA.2 for the indicated intended use(s).

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16



BS EN 13924:2006 EN 13924:2006 (E) Table ZA.2 — System of attestation of conformity for hard paving grade bitumens Product

Intended use

For road construction and maintenance of Sub-family: hard paving roads grade bitumen Family: Bitumen

Level(s) or class(es)

Attestation of conformity system

None

2+

System 2+: See Directive 89/106/EEC Annex III.2.(ii), first possibility, including certification of the factory production control by an approved body on the basis of initial inspection of factory and factory production control as well as continuous surveillance and assessment and approval of factory production control. The attestation of conformity of the products in Table ZA.1 shall be based on the evaluation of conformity procedures indicated in Table ZA.3 resulting from application of the clauses of this European Standard indicated therein. ` , ` ` , , , , ` ` ` ` ` , , , ` ` ` ` , ` , , ` ` ` , , ` ` ` , , ` , , ` , ` , , ` -

Table ZA.3 — Assignation of evaluation of conformity tasks Tasks

Tasks under the responsibility of the manufacturer

Tasks under the responsibility of the notified body


Content of the task

Evaluation of conformity clauses to apply

Factory Production Control (FPC)

Parameters related to all characteristics of Table ZA.1

ˆ6.3‰

Initial Type Testing (ITT)

All characteristics of Table ZA.1

6.2

Certification of FPC by the notified body on the basis of:

Initial Parameters related to inspection of all characteristics of factory and of Table ZA.1,i.e. FPC - Consistency at intermediate service temperature, - Consistency at elevated service temperature, - Durability

6.3

Continuous surveillance, assessment and approval of FPC

6.3

Parameters related to all characteristics of Table ZA.1, i.e. - Consistency at intermediate service temperature, - Consistency at elevated service temperature, - Durability


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BS EN 13924:2006 EN 13924:2006 (E)

ZA.2.2

EC Certificate and Declaration of conformity

When compliance with the conditions of this Annex is achieved, and once the notified body has drawn up the certificate mentioned below, the supplier or his agent established in the EEA shall prepare and retain a declaration of conformity, which entitles the supplier to affix the CE marking. This declaration shall include: 

name and address of the supplier, or his authorised representative established in the EEA;



description of the product (type, identification, use, …) and a copy of the information accompanying the CE marking;



provisions to which the product conforms (e.g. Annex ZA of this EN);



particular conditions applicable to the use of the product (e.g. provisions for use under certain conditions);



the number of the accompanying factory production control certificate;



name of, and position held by, the person empowered to sign the declaration on behalf of the supplier or his authorised representative.

The declaration shall be accompanied by a factory production control certificate, drawn up by the notified body, which shall contain, in addition to the information above, the following: 

name, address and identification of the notified inspection body;



the number of the factory production control certificate;



conditions and period of validity of the certificate, where applicable;



name of, and position held by, the person empowered to sign the certificate.

The above mentioned certificate shall be presented in the off icial language or languages of the Member State in which the product is to be used.

ZA.3

CE marking and labelling

The supplier or his authorised representative established within the EEA is responsible for the affixing of the CE marking. The CE marking symbol to affix shall be in accordance with Directive 93/68/EC and shall be shown on the relevant commercial documents (e.g. a delivery note). The following information shall accompany the CE marking symbol, together with the relevant test method against the characteristic if more than one test method is available under this standard: 

identification number of the notified body;



name or identifying mark and registered address of the supplier;



the last two digits of the year in which the CE marking is affixed;



factory production control certificate number;



reference to this document EN 13924;



description of the product: generic name, material, dimensions, and intended use;



information on those relevant essential characteristics listed in Table ZA.1, which are to be declared presented as follows: --`,``,,,,`````,,,````,`,,```,,`-`-`,,`,,`,`,,`---

18



BS EN 13924:2006 EN 13924:2006 (E) 

class to declare for each essential characteristic as indicated in "Notes" in Table ZA.1;



"No Performance Determined" for characteristics where this is relevant.

The "No Performance Determined" (NPD) option may not be used where the characteristic is subject to a threshold level. Otherwise, the NPD option may be used when and where the characteristic, for a given intended use, is not subject to regulatory requirements in the Member State of destination.

` , ` ` , , , , ` ` ` ` ` , , , ` ` ` ` , ` , , ` ` ` , , ` ` ` , , ` , , ` , ` , , ` -



19

BS EN 13924:2006 EN 13924:2006 (E) Figure ZA.1 gives an example of the information to be given on the commercial documents.

CE conformity marking, consisting of the "CE"-symbol given in Directive 93/68/EEC. 01234

AnyCo Ltd, P.O. Box 21, B - 1050

Identification number of the notified body

Name or identifying mark and registered address of the supplier

06

01234-CPD-00234

Last two digits of year in which the CE marking was affixed Certificate number

EN 13924

Reference to the European Standard Hard paving grade bitumen + grade, Intended to be used for construction and maintenance of roads, airfields and other paved areas

Description of product and information on regulated characteristics

. Consistency at intermediate service temperature Penetration at 25 °C………………….……………….…..Class 3 ` , ` ` , , , , ` ` ` ` ` , , , ` ` ` ` , ` , , ` ` ` , , ` ` ` , , ` , , ` , ` , , ` -

. Consistency at elevated service temperature Softening point………………… ……Class 4 (62 °C to 72 °C) Dynamic Viscosity at 60 °C………..………………….…Class 3 . Durability of consistency at intermediate service temperature, with test method used Change of mass…………….…[test method]…………..Class 2 Retained penetration,…… ……[test method]…………Class 2 Durability of consistency at elevated service temperature, with test method used Softening point after hardening……………………Class 0 Increase in softening point…..……[test method]……...Class 2 Penetration index before hardening [test method]……….Class 2

In addition to any specific information relating to dangerous substances shown above, the product should also be accompanied, if required by appropriate documentation listing any other legislation on dangerous substances for which compliance is claimed, together with any information required by that legislation. NOTE

European legislation without national derogations need not be mentioned.

Figure ZA.1 — Example CE marking information

20



BS EN 13924:2006 EN 13924:2006 (E)

Bibliography

[1]

EN 12591, Bitumen and bituminous binders – Specifications for paving grade bitumens.

[2]

CEN/TR 15352, Bitumen and bituminous binders – Development of performance-related specifications: status report 2005

[3]

EN 12697-1, Bituminous mixtures - Test methods for hot mix asphalt - Part 1: Soluble binder content.

[4]

EN 12697-11, Bituminous mixtures - Test methods for hot mix asphalt - Part 11: Determination of the affinity between aggregate and bitumen.

[5]

EN 12697-12, Bituminous mixtures - Test methods for hot mix asphalt - Part 12: Determination of the water sensitivity of bituminous specimens.

[6]

EN 12697-26, Bituminous mixtures - Test methods for hot mix asphalt - Part 26: Stiffness.

[7]

EN 14770, Bitumen and bituminous binders - Determination of complex shear modulus and phase angle Dynamic Shear Rheometer (DSR).

[8]

EN 14771, Bitumen and bituminous binders – Determination of the flexural creep stiffness - Bending Beam Rheometer (BBR).

[9]

EN ISO 2719, Determination of flash point - Pensky-Martens closed cup method (ISO 2719:2002).

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BS EN 13924:2006 EN 13924:2006 (E)

National Annex NA (informative) Guidance for use of BS EN 13924 in the UK Introduction

This National Annex NA (informative) provides guidance to users on the implementation of BS EN 13924 for hard paving grade bitumens, for use in high stiffness modulus asphalt for the construction and maintenance of roads and airfields in the UK. BS EN 13924 is not a performance related specification but contains classes for various properties allowing the selection of the most suitable specification for the bitumen taking account of its use and of the local climate. Possible poor selection of properties/classes has been recognised by UK industry and guidance on selection of properties suitable for use in high stiffness modulus asphalt in UK conditions is included in NA.3. The recommended choice of properties is based on the use of the bitumens in high stiffness modulus asphalts, and includes the properties specified in France where high stiffness modulus asphalt (known in France as EME 2, Enrobé à Module Élevé) was originally developed and where there are many years experience of successful use. ` , ` ` , , , , ` ` ` ` ` , , , ` ` ` ` , ` , , ` ` ` , , ` ` ` , , ` , , ` , ` , , ` -

NA.1 Implementation

BS EN 13924 is applicable to hard paving grade bitumens for use in high stiffness modulus asphalt. In the UK, hard paving grade bitumens have previously been specified to BS 3690-1. A suggested specification clause that a client, e.g. a highway authority, could use in a contract is as follows: “Hard paving grade bitumens shall conform to the requirements of BS EN 13924, National Annex NA (informative), Table NA.1 and the informative properties in Table NA.2 shall be reported”. NA.2 Characteristics and related test methods

BS EN 13924 specifies the characteristics that may be called up in hard paving grade bitumen specifications. NA.2.1 Essential requirements

Table 1 contains the so-called “Essential requirements” (i.e. the specifications for hard paving grade bitumens), which in CEN terminology means those characteristics that are included in the CEN ‘CPD’ mandate M/124; it is mandatory that they are addressed when producing a specification in accordance with BS EN 13924. Hard paving grade bitumen suppliers should state for their bitumen(s), the class for each appropriate characteristic. The information is required for “CE marking” purposes and should appear on the CE mark. This information should also appear on the technical information sheets provided by the supplier. The recommendations for each appropriate characteristic for hard paving grade bitumens for use in the UK are made in NA.3. NA.2.2 Informative properties

Annex B refers to the “Informative properties”, which are additional properties, determined using new test methods that are currently under development and these may be declared by the supplier. It is anticipated that experience gained with these “informative properties” could eventually lead to the development of performance-related hard grade bitumen specifications in the future. The “informative properties” are not yet ready to be used in specifications. Informative properties, using Dynamic Shear Rheology and Bending Beam Rheology are included (see Table NA.2), together with cohesion using the Vialit Pendulum as introduced in the TRL (Transport Research Laboratory) Report TRL 636 draft specification. It is proposed that a periodic review of the informative data will be carried out by the BSI binders committee. In the UK, binders for EME 2 mixtures have been supplied for “pilot” applications on the basis of the development specification in TRL Report TRL 636, Annex A. These contracts have been closely monitored in terms of material selection and application.

22


© BSI 20 10 Licensee=AECOM EW & Canada/5906698006, User=Broasca, Gabriel Not for Resale, 11/05/2015 09:48:46 MST

BS EN 13924:2006 EN 13924:2006 (E)

The data for the bitumens supplied during this period confirms that the key issues are the selection of the target levels for penetration, softening point (within the allowed ranges in BS EN 13924) and the increase in softening point after the Rolling Thin Film Oven Test (RTFOT). This is dealt with in NA.3 and Table NA.1. For a certain penetration level, restricting the softening point range (10 °C) and the allowed change after RTFOT ( = 8 °C) influences the remaining properties and this should be recognised when preparing specifications. NA.3 Selection of properties and classes

It is recommended that hard paving grade bitumens for use in high stiffness modulus asphalt in the UK are specified as given in Table NA.1. It is specified in BS EN 13924 that for softening point, a restricted range of ± 5 °C about a mid-point, shall be declared by the supplier; the overall range must be within the following ranges, 60 °C to 76 °C for the 10/20 grade and 55 °C to 71 °C for the 15/25 grade. In the UK it has been agreed that a fixed range for each grade should be used, see Table NA.1.

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© BSI 2010



BS EN 13924:2006 EN 13924:2006 (E)

Table NA.1 — Specification for hard paving grade bitumens Essential requirement

Surrogate characteristic

Test method

Unit

Hard paving grade bitumen nomenclature 10/20 pen Specified limit(s)

Consistency at Penetration intermediate service at 25 °C temperature Consistency at Softening point elevated service temperature Dynamic viscosity at 60 °C, min Durability Change of mass, (Resistance to max hardening Retained at 163 °C, penetration, min EN 12607-1) Softening point after hardening, min Increase in softening point, max Increase in softening point, max & penetration index before test (i.e. on original bitumen) Other properties Kinematic viscosity at 135 °C, min Fraass breaking point Flash point, min Solubility, min a b

c

BS EN 1426

0,1 mm 10-20

BS EN 1427

°C

BS EN 12596

Cl ass

3

15/25 pen Speci fi ed limit(s)

15-25

Class

2

.s Pa·

63-73 4 (Target 71 maxa) NPD 0

60-70 2 (Target 68 maxa) NPD 0

%

0,5

2

0,5

2

BS EN 1426

%

TBRb

1

TBRb

1

BS EN 1427

°C

NPD

0

NPD

0

BS EN 1427

°C

8

2

8

2

BS EN 1427

°C

TBRc

1

TBRc

1

BS EN 12595

Mm2 /s

1100

3

900

3

BS EN 12593

°C

TBRc

1

TBRc

1

3 2

245 99,0

3 2

BS EN ISO 2592 °C 245 BS EN 12592 % (m/m) 99,0

Softening point target maximum value based on a rolling mean of the last six consecutive results in FPC; Retained penetration TBR (Class 1) is recommended. The only other level available in the standard (Class 2) requires 55% minimum retained penetration. In TRL 636, a minimum retained penetration of 65% was proposed, pending the availability of more information; Penetration Index and Fraass breaking point TBR (Class 1) is recommended in order to collect information; NPD = No Performance Determined (no requirement); TBR = To Be Reported (i.e. supplier’s declared values).

24


© BSI 2010

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BS EN 13924:2006 EN 13924:2006 (E)

Table NA.2 lists informative properties that suppliers of hard paving grades bitumens are encouraged to produce as “Supplier Declared Values”. It is hoped that the data so provided will be of assistance in developing performance-related specifications in the future. Table NA.2 — Informative properties Property

T200cP, T2000cP, T5000cP by Dynamic viscosity T S= 300 MPa, by BBRa T m = 0,3, by BBRa G* at 15 °C and 10 Hz, by DSRb T G*/sin d= 1 kPa at 1,6 Hz, by DSRb G* and phase angle 10 °C to 80 °C, 0,1 Hz to 10 Hz by DSRb G’ and G’’ (ref temp 25 °C) master curves 80 °C to 0 °C by DSRb Pendulum cohesionc a b

c d e

Unit

Test method

Data

°C

BS EN 13302

TBRd

°C °C MPa °C Pa, degrees (Graphical output)

BS EN 14771 BS EN 14771 BS EN 14770 BS EN 14770 BS EN 14770

TBRe TBRe TBRe TBRe TBRe

Pa, degrees (Graphical output) J/cm² (graph)

BS EN 14770

TBRe

BS EN 13588

TBRe

` , , ` , ` , , ` , , ` ` ` , , ` ` ` , , ` , ` ` ` ` , , , ` ` ` ` ` , , , , ` ` , ` -

BBR: Bending Beam Rheometer; DSR: Dynamic Shear Rheometer; The report may include parameters such as a plot of G* at 0,4 Hz and value reported at 25 °C, and also T G*/sin d = 2 kPa at 0,4 Hz. The test conditions and parameters reported should be agreed with the supplier; Pendulum cohesion is proposed in TRL 636 and data is required to collect further information; T200cP should be measured on bitumen as supplied. T2000cP and T5000cP should be measured after short term ageing (after BS EN 12607-1 RTFOT); Data should be produced on bitumen as supplied, after short term ageing (after BS EN 12607-1 RTFOT) and after long term ageing (after PAV 85).

NA.4 Evaluation of conformity

Requirements for “evaluation of conformity” detail the steps that producers need to take in order to demonstrate conformity with the specification. These procedures start with “type testing”, which details the way conformity with all the requirements is determined, and include “factory production control” (FPC), which indicates the procedures to be adopted during production to ensure consistent conformity. These procedures need to be followed whether CE marking is being undertaken or not. NA.4.1 Type testing

All tests detailed in the specification should be carried out as part of the initial evaluation of hard paving grade bitumen; this is called “initial type testing”. In addition, whenever the producer makes a change to the base materials or production process, which could make a significant change to one or more of the characteristics of the bitumen, the relevant test(s) should be repeated. NA.4.2 Factory Production Control (FPC)

Hard paving grade bitumen suppliers should operate a quality management scheme that should be in accordance with the FPC requirements in BS EN 13924 and gives a schedule for the specific type of quality control system. This may be based on the requirements of existing third party accredited systems, i.e. BS EN ISO 9001 and the requirements described in National Highways Sector Scheme 15. NA.4.3 Attestation of conformity

Compliance with the requirements in BS EN 13924 for factory production control, initial type testing, ongoing surveillance and accreditation by a notified body, will entitle a supplier to prepare a declaration of conformity for hard paving grade bitumen(s). This declaration needs to include information about the bitumen(s), the supplier and quality assurance. The requirements are detailed in the informative Annex ZA. The declaration should be available on demand to the user.

25

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BS EN 13924:2006 EN 13924:2006 (E)

NA.5 CE Marking

Clause ZA.2.2 states that once a declaration of conformity has been drawn up a supplier is entitled to affix CE marking. Although this will be a requirement — effectively a licence to trade — in most of the European Economic Area (EEA), it is not a legal requirement at the present time in the UK. An example of CE marking is given in Annex ZA. Information from the declaration of conformity is required plus the information that is needed to meet the EC Mandate M/124, i.e. the classes from the “essential requirements” in Table NA.1. Information from Table NA.2 should not be shown on the CE marking. As it is not practical to physically attach the CE marking (logo) to the binder, it is recommended that it should appear on the CE marking documentation. It should be as shown in Figure ZA.1, but can be as small as 10 mm high and can be positioned at any appropriate location. Further information to appear on the CE marking documentation is the nomenclature of the hard paving grade bitumen.

26


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Bitumes and bituminous binders

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